Model Comparison

GLM-4.5 vs Phi 4 Mini

GLM-4.5 significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

GLM-4.5 outperforms in 2 benchmarks (GPQA, MMLU-Pro), while Phi 4 Mini is better at 0 benchmarks.

GLM-4.5 significantly outperforms across most benchmarks.

Fri May 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

351.2B diff

GLM-4.5 has 351.2B more parameters than Phi 4 Mini, making it 9144.8% larger.

Zhipu AI
GLM-4.5
355.0Bparameters
Microsoft
Phi 4 Mini
3.8Bparameters
355.0B
GLM-4.5
3.8B
Phi 4 Mini

Context Window

Maximum input and output token capacity

Only GLM-4.5 specifies input context (131,072 tokens). Only GLM-4.5 specifies output context (131,072 tokens).

Zhipu AI
GLM-4.5
Input131,072 tokens
Output131,072 tokens
Microsoft
Phi 4 Mini
Input- tokens
Output- tokens
Fri May 15 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under MIT.

Both models share the same licensing terms, providing consistent usage rights.

GLM-4.5

MIT

Open weights

Phi 4 Mini

MIT

Open weights

Release Timeline

When each model was launched

GLM-4.5 was released on 2025-07-28, while Phi 4 Mini was released on 2025-02-01.

GLM-4.5 is 6 months newer than Phi 4 Mini.

GLM-4.5

Jul 28, 2025

9 months ago

5mo newer
Phi 4 Mini

Feb 1, 2025

1.3 years ago

Knowledge Cutoff

When training data ends

Phi 4 Mini has a documented knowledge cutoff of 2024-06-01, while GLM-4.5's cutoff date is not specified.

We can confirm Phi 4 Mini's training data extends to 2024-06-01, but cannot make a direct comparison without GLM-4.5's cutoff date.

GLM-4.5

—

Phi 4 Mini

Jun 2024

Outputs Comparison

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Key Takeaways

Zhipu AI
Larger context window (131,072 tokens)
Higher GPQA score (79.1% vs 25.2%)
Higher MMLU-Pro score (84.6% vs 52.8%)
Microsoft

No standout differentiators in the data we have for this pair.

Detailed Comparison

AI Model Comparison Table
Feature
Zhipu AI
GLM-4.5
Microsoft
Phi 4 Mini

FAQ

Common questions about GLM-4.5 vs Phi 4 Mini.

Which is better, GLM-4.5 or Phi 4 Mini?

GLM-4.5 significantly outperforms across most benchmarks. GLM-4.5 is made by Zhipu AI and Phi 4 Mini is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GLM-4.5 compare to Phi 4 Mini in benchmarks?

GLM-4.5 scores MATH-500: 98.2%, AIME 2024: 91.0%, MMLU-Pro: 84.6%, TAU-bench Retail: 79.7%, GPQA: 79.1%. Phi 4 Mini scores GSM8k: 88.6%, ARC-C: 83.7%, BoolQ: 81.2%, OpenBookQA: 79.2%, PIQA: 77.6%.

What are the context window sizes for GLM-4.5 and Phi 4 Mini?

GLM-4.5 supports 131K tokens and Phi 4 Mini supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes GLM-4.5 and Phi 4 Mini?

GLM-4.5 is developed by Zhipu AI and Phi 4 Mini is developed by Microsoft.